<div *ngIf="hero">
	<h2>{{hero.name | uppercase}} Details</h2>
	<div><span>id: </span>{{hero.id}}</div>
	<div>
		<label>name:
			<input [(ngModel)]="hero.name" placeholder="name"/>
		</label>
	</div>
	<button (click)="goBack()">go back</button>
	<button (click)="save()">save</button>
</div>
